   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.bufferobject.W_Buffer.inst_buf> -> %r0
   5  -live- %r0
   5  guard_class %r0 -> %i0
   8  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_as_str> -> %i0
  13  -live- %i0, %r0
  13  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  17  unreachable
  18  ---
  18  L1:
  18  -live- %r0
  18  getfield_gc_r_pure %r0, FieldDescr<rpython.rlib.buffer.StringBuffer.inst_value> -> %r0
  23  ref_return %r0
  25  ---
  25  L2:
  25  -live-
  25  raise $<* struct object>
  27  ---
  27  L3:
  27  -live- %r0
  27  -live- %r0
  27  guard_class %r0 -> %i0
  30  getfield_raw_i %i0, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getlength> -> %i0
  35  -live- %i0, %r0
  35  int_guard_value %i0
  37  residual_call_r_i %i0, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=5> -> %i0
  44  -live- %i0, %r0
  44  -live- %i0, %r0
  44  guard_class %r0 -> %i1
  47  getfield_raw_i %i1, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_getslice> -> %i1
  52  -live- %i0, %i1, %r0
  52  int_guard_value %i1
  54  residual_call_ir_r %i1, <IndirectCallTargets>, I[$0, $1, %i0], R[%r0], <CallDescr(riii) EF=7> -> %r0
  65  -live- %r0
  65  ref_return %r0
